CONTENTS
MATHEMATICS
Belkov A.V., Belov S.V., Zhukov A.P., Pavlov M.S., Ponomarev S.V., Kuznetsov S.A. Method for calculation of the stress-strain state for cable-membrane space reflector structures.
5
Gaidak V.A., Timoshenko E.A. Involutions of the general linear group GL2 over a subring of the field Q
19
Smolentsev N.K. Left-invariant para-Sasakian structures on Lie groups
27
Khalilov E.H., Bakhshaliyeva M.N. On the derivative of the double-layer logarithmic potential
38
Ergashev T.G., Safarbayeva N.M. Dirichlet problem for the multudimensional Helmholtz equation with one singular coefficient
55
MECHANICS
Arkhipov V.A., Matvienko O.V., Zharova I.K., Maslov E.A., Perfilieva K.G.,Bulavko A.M. Modeling of the dynamics of a liquid-droplet coolant under aerial
firefighting
68
Bragin N.N., Orlov S.A., Peygin S.V. Investigation of the stability of optimal aerodynamic designing of the three-dimensional wing-fuselage layout for a wide-body
long-range aircraft with regard to its initial shape
79
Il’yasov A.M., Kireev T.F., Bulgakova G.T. Strength assessment for water shut-off baffles in a fractured medium
91
Parfenova E.S. Distribution of the concentration of injected impurity under surface treatment by consecutive pulses
105
Pestrenin V.M., Pestrenina I.V., Landik L.V. Restrictions on stress components in the vertices of regular triangular and quadrangular pyramids embedded in elastic body
119
Timchenko S.V. Numerical study of the aerodynamic characteristics of a “wing-fuselageengine nacelle-pylon” three-dimensional layout of the engine for a wide-body longrange aircraft
135
MEMOIRS, MEMORABLE DATES, PERSONALITIES
To the 100th anniversary of Dmitriy Nikolayevich Garkunov
142
BRIEF INFORMATION ABOUT THE AUTHORS
144
